Fin for windsurfer and surfboard



FIG. 1 is a rear and right side perspective view of a fin for a windsurfer and surfboard showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a right side elevational view thereof, the left side elevational view being the mirror image thereof. 

The ornamental design for a fin for windsurfer and surfboard, as shown and described. 